but it's a lot more targeted and surgical by far than shooting artillery at taliban units in eastern afghanistan. >> as we wait, lawmakers are going to be grilling john brennan, the architect of this policy during his confirmation hearings for cia director, and that's coming up tomorrow. do you think that this is going to have a big impact, a lot of questions during that confirmation directly on this? >> brennan was put on the grill before over the so called torture memos. he's a career cia officer. he's a magnificent public servant. he's extremely knowledgeable. i'm sure he will be questioned closely about all this. and that's appropriate. having said that, he's not the architect of anything. this is a responsibility the commander in chief, the secretary of defense and the cia director. so that's who we ought to hold accountable. >> are drone strikes the future? >> well, all the other nations are now building drones. and so again, there's precedence here that we should be concerned about. because this sort of tool will be use against us in the coming decades. having said that, we've